Linear cutting rotary head continuous mining machine

Details Linear cutting rotary head continuous mining machine Linear cutting rotary head continuous mining machine

E - Fixed Constructions

21

C

262/78

E21C 27/24 (2006.01)

Patent

CA 1078417

ABSTRACT OF THE DISCLOSURE The triangular-shaped rotary head mounted on an eccentrically driven shaft rotates at a low speed in a path determined by a ring/pinion gear ratio, such that cutting tools mounted on the apices of the triangular-shaped rotary head follow a square path entering the face of the coal seam to be cut at a top corner and making a long linear vertical cut at a constant depth of approximately one and one-half times the diameter of the rotary head greatly reducing dust generation and methane ignition potential while increasing productivity.

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